Information returned by the GRADD to the caller of the GHI_CMD_INITPROC function.
typedef struct _INITPROCOUT {
ULONG ulLength; /* Length of the INITPROCOUT data structure, in bytes. */
ULONG ulVRAMVirt; /* 32-bit virtual address of VRAM. */
} INITPROCOUT;
typedef INITPROCOUT *PINITPROCOUT;